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Finding the Fourth Proportional to 550,648.16, 759,614.64 and 359,773.28

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Solution

The fourth proportional to 550,648.16, 759,614.64 and 359,773.28 is: 496,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,648.16 : 759,614.64 = 359,773.28 : x
  2. Step 2: Convert to fraction form
    550,648.16/759,614.64 = 359,773.28/x
  3. Step 3: Cross multiply
    550,648.16x = 759,614.64 × 359,773.28
  4. Step 4: Simplify right side
    550,648.16x = 273,289,050,568.82
  5. Step 5: Solve for x
    x = 273,289,050,568.82/550,648.16
  6. Step 6: Final answer
    x = 496,304.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.